LTC7545ABSW#TRPBF Digital to Analog Converter: Product Overview and Applications

UTMEL

Published: 06 March 2024 | Last Updated: 06 March 2024

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LTC7545ABSW#TRPBF

LTC7545ABSW#TRPBF

Linear Technology/Analog Devices

DAC Current - Unbuffered Surface Mount R-2R R 7.5mm mm

Purchase Guide

DAC Current - Unbuffered Surface Mount R-2R R 7.5mm mm

This article provides a detailed technical analysis of the LTC7545ABSW#TRPBF Digital to Analog Converter (DAC) manufactured by Linear Technology/Analog Devices. It covers the product description, features, applications, reference designs, alternative parts, and frequently asked questions to help electronic engineers understand and utilize this DAC effectively.

Product Introduction

1. Description:
The LTC7545ABSW#TRPBF is a 12-bit digital to analog converter (DAC) with a current unbuffered output type. It features an R-2R architecture and operates with a supply voltage range of 14.25V to 15.75V for both analog and digital supplies. The DAC supports parallel data interface and settling time of 1μs, making it suitable for high-speed applications. With a compact 20-SOIC package and surface-mount design, the LTC7545ABSW#TRPBF is a versatile solution for various analog signal generation requirements.

2. Features:
- 12-bit resolution with ±0.5 INL/DNL (Max) accuracy
- Supply voltage range: 14.25V to 15.75V for analog and digital supplies
- Current unbuffered output type
- Parallel data interface for easy integration
- Fast settling time of 1μs for high-speed applications
- Compact 20-SOIC package with surface-mount design
- RoHS3 compliant and lead-free terminal finish

3. Applications:
Primary Applications:
- Industrial automation and control systems
- Test and measurement equipment
- Audio signal processing and generation
- Telecommunications and networking devices

Secondary Applications:
- Instrumentation and data acquisition systems
- Automotive electronics
- Medical devices
- Robotics and motion control systems

Applicable Specific Modules:
- Signal generators
- Data loggers
- Motor controllers
- Audio synthesizers

4. Reference Designs:
- High-Speed Data Acquisition System using LTC7545ABSW#TRPBF DAC
- Precision Instrumentation Amplifier with Integrated LTC7545ABSW#TRPBF DAC
- Audio Signal Processing Module with LTC7545ABSW#TRPBF DAC

5. Alternative Parts:
- LTC7545CBW#TRPBF: 12-bit DAC with buffered voltage output
- LTC7545ABSW#PBF: Standard version with matte tin terminal finish
- LTC7546ABSW#TRPBF: 14-bit DAC with similar features and performance

6. FAQs:
Q: What is the maximum supply current of the LTC7545ABSW#TRPBF DAC?
A: The maximum supply current of the LTC7545ABSW#TRPBF DAC is 2mA.

Q: Can the LTC7545ABSW#TRPBF DAC operate with a single supply voltage?
A: No, the LTC7545ABSW#TRPBF DAC requires separate analog and digital supply voltages in the range of 14.25V to 15.75V.

Q: Is the LTC7545ABSW#TRPBF DAC suitable for battery-powered applications?
A: Yes, the low supply current and fast settling time of the LTC7545ABSW#TRPBF DAC make it suitable for battery-powered applications where power efficiency is crucial.

In conclusion, the LTC7545ABSW#TRPBF DAC offers high performance, accuracy, and versatility for a wide range of analog signal generation applications. Its compact design, fast settling time, and parallel data interface make it a preferred choice for electronic engineers designing precision control and measurement systems.

Specifications

Linear Technology/Analog Devices LTC7545ABSW#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology/Analog Devices LTC7545ABSW#TRPBF.
  • Type
    Parameter
  • Factory Lead Time
    8 Weeks
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    20-SOIC (0.295, 7.50mm Width)
  • Surface Mount

    having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

    YES
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~85°C
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tape & Reel (TR)
  • Published
    2001
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e3
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    1 (Unlimited)
  • Number of Terminations
    20
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Matte Tin (Sn)
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    GULL WING
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    260
  • Number of Functions
    1
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    15V
  • Time@Peak Reflow Temperature-Max (s)

    Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.

    30
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    LTC7545
  • Pin Count

    a count of all of the component leads (or pins)

    20
  • JESD-30 Code

    JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.

    R-PDSO-G20
  • Output Type

    The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

    Current - Unbuffered
  • Number of Bits
    12
  • Architecture

    In electronic components, the parameter "Architecture" refers to the overall design and structure of the component. It encompasses the arrangement of internal components, the layout of circuitry, and the physical form of the component. The architecture of an electronic component plays a crucial role in determining its functionality, performance, and compatibility with other components in a system. Different architectures can result in variations in power consumption, speed, size, and other key characteristics of the component. Designers often consider the architecture of electronic components carefully to ensure optimal performance and integration within a larger system.

    R-2R
  • Converter Type

    The parameter "Converter Type" in electronic components refers to the classification of devices that convert one form of energy or signal to another. This includes devices such as analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and various types of signal converters used in communication, power management, and measurement systems. Each converter type is designed to facilitate the manipulation or transformation of signals to meet specific application requirements. The choice of converter type typically depends on factors such as the signal characteristics, required accuracy, and conversion speed.

    D/A CONVERTER
  • Reference Type

    a code object that is not stored directly where it is created, but that acts as a kind of pointer to a value stored elsewhere.

    External
  • Data Interface

    A Data Interface in EDQ is a template of a set of attributes representing a given entity, used to create processes that read from, or write to, interfaces rather than directly from or to sources or targets of data.

    Parallel
  • Differential Output

    a differential output voltage in electronics is the difference between the values of two AC voltages, 180° out of phase, present at the output terminals of an amplifier when you apply a differential input voltage to the input terminals of an amplifier.

    No
  • Voltage - Supply, Analog

    Voltage - Supply, Analog is a parameter in electronic components that specifies the range of voltage levels required to power the analog circuitry within the component. This parameter indicates the minimum and maximum voltage levels that the component can accept for proper operation of its analog functions. It is crucial to ensure that the voltage supplied to the component falls within this specified range to prevent damage and ensure optimal performance. Understanding and adhering to the "Voltage - Supply, Analog" parameter is essential for the proper functioning of analog circuits in electronic components.

    5V 14.25V~15.75V
  • Voltage - Supply, Digital

    Voltage - Supply, Digital is a parameter that specifies the voltage level required to power the digital circuitry within an electronic component, such as an integrated circuit or a microcontroller. This parameter is crucial for ensuring proper operation of the digital components, as supplying the correct voltage level is essential for reliable performance. The specified voltage range typically includes both minimum and maximum values within which the component can operate safely and efficiently. It is important to adhere to the recommended voltage supply range to prevent damage to the component and to maintain the integrity of the digital signals being processed.

    5V 14.25V~15.75V
  • Settling Time

    In control theory the settling time of a dynamical system such as an amplifier or other output device is the time elapsed from the application of an ideal instantaneous step input to the time at which the amplifier output has entered and remained within a specified error band.

    1μs
  • Input Bit Code

    "Input Bit Code" is a parameter used in electronic components, particularly in digital devices such as microcontrollers and integrated circuits. It refers to the binary code or sequence of bits that are used to represent input data or commands to the component. The input bit code is typically specified by the manufacturer and is used to configure the behavior or functionality of the component.In simpler terms, the input bit code is like a set of instructions that the electronic component understands and acts upon accordingly. By providing the correct input bit code, users can control the operation of the component and make it perform specific tasks or functions. Understanding and correctly using the input bit code is essential for proper operation and integration of electronic components in various electronic systems and applications.

    BINARY, OFFSET BINARY
  • INL/DNL (LSB)

    INL (Integral Non-Linearity) and DNL (Differential Non-Linearity) are parameters used to quantify the accuracy and performance of analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). INL refers to the maximum deviation of the actual transfer function of a converter from a perfect straight line, representing the overall accuracy of the converter. DNL measures the difference between the actual step size of the output and the ideal step size, indicating the uniformity of the quantization levels. Both parameters are expressed in least significant bits (LSB), providing a standardized measure of the errors relative to the converter's resolution.

    ±0.5 (Max), ±1 (Max)
  • Number of D/A Converters
    1
  • Height Seated (Max)

    Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.

    2.65mm
  • Width
    7.5mm
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
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LTC7545ABSW#TRPBF

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